Central sharpness is very good at f/1.8 and f/2, excellent from f/2.8 through ... The taller the column, the better the lens performance. CA (Chromatic Aberration) is measured with any in-camera ...
Reviews / Canon EF 50mm f/1.8 II Interchangeable Lens Review Gary Wolstenholme reviews the compact and basic Canon EF 50mm f/1.8 II lens.